Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4706933 | Oil and gas well safety valve | Richard A. Sukup | 1987-11-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4706933 | Oil and gas well safety valve | Richard A. Sukup | 1987-11-17 |